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Mountain climbers are profiled.
May 13, 2006
Explorer Frederick Cook claims to have reached the summit of Alaska's Mt. McKinley in 1906 and photographed it, but instead started a bitter controversy that continues today.
Examining ascents of K2 in northern Pakistan from the 1930s to present.
Seven men climb the Matterhorn on July 14th, 1865, a feat deemed impossible at the time, and not without tragedy.
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